Graco 288470 Piston Rod Repair kit

Graco 288470 Piston Rod Repair Kit restores performance and prevents leaks in GH230 and GH300 sprayers. Perfect for maintenance professionals seeking OEM-grade reliability.

Fits GH230 & GH300 sprayers
OEM precision stainless-steel rod assembly
Fixes leaks and pressure loss
Durable construction for high-pressure use

List Price: $1110

You save: $310.8 (28.00%)

Sale Price: $799.2

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Description

Graco 288470 — Piston Rod Repair Kit (Overview & Compatibility)

Restore factory performance to your pump’s fluid section with this OEM-grade Graco 288470 Piston Rod Repair Kit. Designed for heavy-duty contractor use and built to match original tolerances for smooth, leak-free operation.

Compatible Machines

Graco GH230 (all common variants)
Graco GH300 (all common variants)

Key Features & Benefits

OEM precision – piston-rod assembly made to original Graco specifications for correct stroke and alignment.
Durable construction – engineered for high-pressure airless applications and long service life.
Performance restore – helps resolve pressure fluctuation, poor atomization, and fluid leaks from a worn rod.
Service friendly – designed for straightforward install with standard service practices.

Technical Overview

Part Number	288470
Category	Piston Rod Repair Kit (fluid section component)
Intended Use	For GH230 / GH300 airless sprayers; restores fluid section sealing and smooth rod travel.
Compatibility Notes	Matches OEM tolerances for GH230/GH300. Confirm via unit manual/parts diagram before ordering.
Typical Symptoms Addressed	Fluid leakage at pump, inconsistent pressure/finish, visible rod wear or scoring.

What’s Typically Included

Kit contents follow Graco’s OEM configuration for the GH230/GH300 fluid section.

Piston rod assembly (OEM geometry/finish)
Associated sealing components as supplied by Graco for this kit

Note: Exact contents can vary by production run; check your manual for the latest exploded view.

Installation & Service Tips

Depressurize and flush the sprayer; isolate power/fuel according to Graco safety procedures.
Clean the fluid section components thoroughly before reassembly.
Lightly lubricate seals per manual; keep rod and packings free of debris.
Follow OEM torque and alignment guidelines; cycle with solvent to verify smooth operation.
After install, check for leaks and confirm stable pressure at working PSI.

Frequently Asked Questions

Yes — the Graco 288470 kit is listed for GH230 and GH300. Always confirm with your serial-specific parts diagram before purchase.

Persistent fluid leaks at the pump head, pressure fluctuation, poor atomization, or a visibly worn/scored piston rod are common indicators.

No special tools beyond standard service tools are typically required. Follow the Graco repair manual for safe disassembly and reassembly steps.

The kit restores OEM sealing and smooth motion; it won’t raise the sprayer’s rated maximum pressure. Operate within the limits specified for your GH model.

Match 288470 to the parts list for your exact sprayer model and serial range. If unsure, provide your model/serial and consult the OEM parts diagram before checkout.